See https://builds.apache.org/job/ZooKeeper-trunk-jdk8/881/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 464098 lines...] [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] 2016-12-31 12:04:33,854 [myid:127.0.0.1:16729] - INFO [main-SendThread(127.0.0.1:16729):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:16729. Will not attempt to authenticate using SASL (unknown error) [junit] 2016-12-31 12:04:33,854 [myid:127.0.0.1:16729] - WARN [main-SendThread(127.0.0.1:16729):ClientCnxn$SendThread@1235] - Session 0x101e87218690000 for server 127.0.0.1/127.0.0.1:16729, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] 2016-12-31 12:04:34,346 [myid:127.0.0.1:16735] - INFO [main-SendThread(127.0.0.1:16735):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:16735. Will not attempt to authenticate using SASL (unknown error) [junit] 2016-12-31 12:04:34,346 [myid:127.0.0.1:16735] - WARN [main-SendThread(127.0.0.1:16735):ClientCnxn$SendThread@1235] - Session 0x301e87215930000 for server 127.0.0.1/127.0.0.1:16735, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] 2016-12-31 12:04:34,398 [myid:127.0.0.1:16759] - INFO [main-SendThread(127.0.0.1:16759):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:16759. Will not attempt to authenticate using SASL (unknown error) [junit] 2016-12-31 12:04:34,399 [myid:127.0.0.1:16759] - INFO [main-SendThread(127.0.0.1:16759):ClientCnxn$SendThread@948] - Socket connection established, initiating session, client: /127.0.0.1:56924, server: 127.0.0.1/127.0.0.1:16759 [junit] 2016-12-31 12:04:34,399 [myid:] - WARN [New I/O worker #4108:NettyServerCnxn@399] - Closing connection to /127.0.0.1:56924 [junit] java.io.IOException: ZK down [junit] at org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:336) [junit] at org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.processMessage(NettyServerCnxnFactory.java:244) [junit] at org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.messageReceived(NettyServerCnxnFactory.java:166) [junit] at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:88) [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268) [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255) [junit] at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) [junit] at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) [junit] at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) [junit] at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) [junit] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [junit] at java.lang.Thread.run(Thread.java:745) [junit] 2016-12-31 12:04:34,399 [myid:127.0.0.1:16759] - INFO [main-SendThread(127.0.0.1:16759):ClientCnxn$SendThread@1231] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect [junit] 2016-12-31 12:04:34,476 [myid:127.0.0.1:16608] - INFO [main-SendThread(127.0.0.1:16608):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:16608. Will not attempt to authenticate using SASL (unknown error) [junit] 2016-12-31 12:04:34,476 [myid:127.0.0.1:16608] - WARN [main-SendThread(127.0.0.1:16608):ClientCnxn$SendThread@1235] - Session 0x101e86d03b80000 for server 127.0.0.1/127.0.0.1:16608, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] Running org.apache.zookeeper.test.NioNettySuiteTest in thread 3 [junit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0 sec, Thread: 3, Class: org.apache.zookeeper.test.NioNettySuiteTest [junit] Test org.apache.zookeeper.test.NioNettySuiteTest FAILED (timeout) BUILD FAILED /home/jenkins/jenkins-slave/workspace/ZooKeeper-trunk-jdk8/build.xml:1209: Tests failed! Total time: 20 minutes 38 seconds Build step 'Invoke Ant' marked build as failure [WARNINGS] Skipping publisher since build result is FAILURE Recording test results Email was triggered for: Failure - Any Sending email for trigger: Failure - Any ################################################################################### ############################## FAILED TESTS (if any) ############################## 2 tests failed. FAILED: org.apache.zookeeper.test.FLETest.testTripleElection Error Message: Fewer than a a majority has joined Stack Trace: junit.framework.AssertionFailedError: Fewer than a a majority has joined at org.apache.zookeeper.test.FLETest.runElection(FLETest.java:361) at org.apache.zookeeper.test.FLETest.testTripleElection(FLETest.java:286) at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79) FAILED: org.apache.zookeeper.test.NioNettySuiteTest.testRemoveAddTwo Error Message: Timeout occurred. Please note the time in the report does not reflect the time until the timeout. Stack Trace: junit.framework.AssertionFailedError: Timeout occurred. Please note the time in the report does not reflect the time until the timeout. at java.lang.Thread.run(Thread.java:745)